> There is no meaningful way to exist in society today without an Apple or Google account

As is the case for many other infrastructure companies, such as your local electricity network operator (or even supplier depending on market liberalization). We also didn't solve that problem by ensuring everyone's right to run a generator in their backyard or heat their city apartment with a coal oven.

If tech companies have become essential to our day to day lives and are not willing to allow for horizontal interoperability, i.e. to split over-the-top services from infrastructure and individual elements of infrastructure from each other – because walled garden lock-in undoubtedly increases profits – why not regulate them as infrastructure entirely?